CMO vs CDO, What is the difference?

[rus1bus]

Rydex,
I have analyed MBS/CMO in my blog:
http://sandeep-rastogi-fin.blogspot.com/2009/07/understanding-credit-cri...
And ABS/CDO in my blog:
http://sandeep-rastogi-fin.blogspot.com/2009/07/credit-crisis-academics-...
Hopefully, it will answer most of your queries.